Rebecca Tushnet is a professor of law at Georgetown. She clerked for Associate Justice David H. Souter and worked at Debevoise & Plimpton before beginning her teaching career. Her work focuses on copyright, trademark, and false advertising law, and she is completing a casebook on advertising and marketing law with Eric Goldman. She is head of the legal committee of the Organization for Transformative Works, a nonprofit dedicated to supporting and promoting fanworks. She is also an expert on the law of engagement rings.